Light yield non-proportionality and energy resolution of praseodymium doped LuAG scintillator

L. Swiderski; M. Moszynski; A. Nassalski; A. Syntfeld-Kazuch; T. Szczesniak; K. Kamada; K. Tsutsumi; Y. Usuki; T. Yanagida; A. Yoshikawa

doi:10.1109/TNS.2009.2015590

Light yield non-proportionality and energy resolution of praseodymium doped LuAG scintillator

L. Swiderski, M. Moszynski, A. Nassalski, A. Syntfeld-Kazuch, T. Szczesniak, K. Kamada, K. Tsutsumi, Y. Usuki, T. Yanagida, A. Yoshikawa

Materials Design Division

Research output: Contribution to journal › Article › peer-review

43 Citations (Scopus)

Abstract

Scintillation properties of praseodymium doped LuAG have been investigated. The crystal is a dense (6.7 g/cm³ ) scintillator with a short decay time around 20 ns and wavelength emission spectrum peaked at 310 nm. The tested sample was 10 mm × 10 mm × 5 mm cuboid, polished on all surfaces. The dopant concentration amounts to 0.23 mol%. A light yield of 16000 ± 1600 ph/MeV was measured using high sensitivity (13.7 μ A/lmF ) Photonis photomultiplier (PMT) XP5500B. High quantum efficiency of this PMT (35%) allowed us to register 5600 ± 400phe/MeV using 12 μ s shaping time in the spectroscopy amplifier. The measured energy resolution was equal to 5.0 ±0.1 %. Response of LuAG:Pr to γ-rays was found to be proportional over wide energy range. Deviation from proportionality does not exceed 10% at 16.6 keV. This results in good intrinsic energy resolution of LuAG:Pr amounting to 3.0 ± 0.3 %, measured with 662 keV γ-rays from¹³⁷Cs.

Original language	English
Article number	5076032
Pages (from-to)	934-938
Number of pages	5
Journal	IEEE Transactions on Nuclear Science
Volume	56
Issue number	3
DOIs	https://doi.org/10.1109/TNS.2009.2015590
Publication status	Published - 2009 Jun

Keywords

Energy resolution
Light Yield
Lutetium Aluminum Garnet
Non-proportionality
Praseodymium

ASJC Scopus subject areas

Nuclear and High Energy Physics
Nuclear Energy and Engineering
Electrical and Electronic Engineering

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10.1109/TNS.2009.2015590

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title = "Light yield non-proportionality and energy resolution of praseodymium doped LuAG scintillator",

abstract = "Scintillation properties of praseodymium doped LuAG have been investigated. The crystal is a dense (6.7 g/cm3 ) scintillator with a short decay time around 20 ns and wavelength emission spectrum peaked at 310 nm. The tested sample was 10 mm × 10 mm × 5 mm cuboid, polished on all surfaces. The dopant concentration amounts to 0.23 mol%. A light yield of 16000 ± 1600 ph/MeV was measured using high sensitivity (13.7 μ A/lmF ) Photonis photomultiplier (PMT) XP5500B. High quantum efficiency of this PMT (35%) allowed us to register 5600 ± 400phe/MeV using 12 μ s shaping time in the spectroscopy amplifier. The measured energy resolution was equal to 5.0 ±0.1 %. Response of LuAG:Pr to γ-rays was found to be proportional over wide energy range. Deviation from proportionality does not exceed 10% at 16.6 keV. This results in good intrinsic energy resolution of LuAG:Pr amounting to 3.0 ± 0.3 %, measured with 662 keV γ-rays from137Cs.",

keywords = "Energy resolution, Light Yield, Lutetium Aluminum Garnet, Non-proportionality, Praseodymium",

author = "L. Swiderski and M. Moszynski and A. Nassalski and A. Syntfeld-Kazuch and T. Szczesniak and K. Kamada and K. Tsutsumi and Y. Usuki and T. Yanagida and A. Yoshikawa",

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AU - Swiderski, L.

AU - Moszynski, M.

AU - Nassalski, A.

AU - Syntfeld-Kazuch, A.

AU - Szczesniak, T.

AU - Kamada, K.

AU - Tsutsumi, K.

AU - Usuki, Y.

AU - Yanagida, T.

AU - Yoshikawa, A.

PY - 2009/6

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N2 - Scintillation properties of praseodymium doped LuAG have been investigated. The crystal is a dense (6.7 g/cm3 ) scintillator with a short decay time around 20 ns and wavelength emission spectrum peaked at 310 nm. The tested sample was 10 mm × 10 mm × 5 mm cuboid, polished on all surfaces. The dopant concentration amounts to 0.23 mol%. A light yield of 16000 ± 1600 ph/MeV was measured using high sensitivity (13.7 μ A/lmF ) Photonis photomultiplier (PMT) XP5500B. High quantum efficiency of this PMT (35%) allowed us to register 5600 ± 400phe/MeV using 12 μ s shaping time in the spectroscopy amplifier. The measured energy resolution was equal to 5.0 ±0.1 %. Response of LuAG:Pr to γ-rays was found to be proportional over wide energy range. Deviation from proportionality does not exceed 10% at 16.6 keV. This results in good intrinsic energy resolution of LuAG:Pr amounting to 3.0 ± 0.3 %, measured with 662 keV γ-rays from137Cs.

AB - Scintillation properties of praseodymium doped LuAG have been investigated. The crystal is a dense (6.7 g/cm3 ) scintillator with a short decay time around 20 ns and wavelength emission spectrum peaked at 310 nm. The tested sample was 10 mm × 10 mm × 5 mm cuboid, polished on all surfaces. The dopant concentration amounts to 0.23 mol%. A light yield of 16000 ± 1600 ph/MeV was measured using high sensitivity (13.7 μ A/lmF ) Photonis photomultiplier (PMT) XP5500B. High quantum efficiency of this PMT (35%) allowed us to register 5600 ± 400phe/MeV using 12 μ s shaping time in the spectroscopy amplifier. The measured energy resolution was equal to 5.0 ±0.1 %. Response of LuAG:Pr to γ-rays was found to be proportional over wide energy range. Deviation from proportionality does not exceed 10% at 16.6 keV. This results in good intrinsic energy resolution of LuAG:Pr amounting to 3.0 ± 0.3 %, measured with 662 keV γ-rays from137Cs.

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KW - Light Yield

KW - Lutetium Aluminum Garnet

KW - Non-proportionality

KW - Praseodymium

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Light yield non-proportionality and energy resolution of praseodymium doped LuAG scintillator

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Keywords

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